package com.huangyi;
import java.util.Scanner;

public class Main2 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();   // 行数
        int m = in.nextInt();   // 列数
        int q = in.nextInt();   // 查询次数

        int[][] arr = new int[n + 1][m + 1];
        long[][] dp = new long[n + 1][m + 1];

        // 读入矩阵
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                arr[i][j] = in.nextInt();
            }
        }

        // 构建二维前缀和
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                dp[i][j] = dp[i - 1][j] + dp[i][j - 1]
                        - dp[i - 1][j - 1] + arr[i][j];
            }
        }

        // 处理查询
        while (q-- > 0) {
            int x1 = in.nextInt();
            int y1 = in.nextInt();
            int x2 = in.nextInt();
            int y2 = in.nextInt();

            long ans = dp[x2][y2]
                    - dp[x1 - 1][y2]
                    - dp[x2][y1 - 1]
                    + dp[x1 - 1][y1 - 1];

            System.out.println(ans);
        }
    }
}
